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<head><meta charset="utf-8"><title>MCP process RFC ready? · t-compiler/wg-meta · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/index.html">t-compiler/wg-meta</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/topic/MCP.20process.20RFC.20ready.3F.html">MCP process RFC ready?</a></h3>

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<a name="192795642"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/185694-t-compiler/wg-meta/topic/MCP%20process%20RFC%20ready%3F/near/192795642" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/topic/MCP.20process.20RFC.20ready.3F.html#192795642">(Apr 03 2020 at 12:28)</a>:</h4>
<p>Hey <span class="user-group-mention" data-user-group-id="1095">@T-compiler/WG-meta</span> and cc <span class="user-mention" data-user-id="124288">@oli</span>  -- I put in some time to the Major Change Process RFC and I think it's basically ready. I would appreciate it if folks want to talk a look:</p>
<p><a href="https://hackmd.io/VhVSTwgiTcmEslbpC7qCOQ?view" title="https://hackmd.io/VhVSTwgiTcmEslbpC7qCOQ?view">https://hackmd.io/VhVSTwgiTcmEslbpC7qCOQ?view</a></p>
<p>It includes a [revised template] for major change proposal issues, <span class="user-mention" data-user-id="124288">@oli</span>, that I based off of the starting point you landed (but added a few things and changed the style).</p>



<a name="192795681"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/185694-t-compiler/wg-meta/topic/MCP%20process%20RFC%20ready%3F/near/192795681" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/topic/MCP.20process.20RFC.20ready.3F.html#192795681">(Apr 03 2020 at 12:28)</a>:</h4>
<p>Er, the here is a link to the <a href="https://hackmd.io/VhVSTwgiTcmEslbpC7qCOQ?view#Template-for-major-change-proposals" title="https://hackmd.io/VhVSTwgiTcmEslbpC7qCOQ?view#Template-for-major-change-proposals">revised template</a> -- editing the comment seems to mess up Zulip notifications. =)</p>



<a name="192795895"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/185694-t-compiler/wg-meta/topic/MCP%20process%20RFC%20ready%3F/near/192795895" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/topic/MCP.20process.20RFC.20ready.3F.html#192795895">(Apr 03 2020 at 12:31)</a>:</h4>
<p>Ah, one minor thing I wanted to check with you on, <span class="user-mention" data-user-id="116266">@Santiago Pastorino</span>, was around how to include MCP things in the triage meeting agenda. I wrote that they should ping the proritization wg, but maybe people can just directly add them to some hackmd?</p>



<a name="192808093"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/185694-t-compiler/wg-meta/topic/MCP%20process%20RFC%20ready%3F/near/192808093" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/topic/MCP.20process.20RFC.20ready.3F.html#192808093">(Apr 03 2020 at 14:04)</a>:</h4>
<p>whoa, can zulip stream names have spaces? "#t-compiler/major changes"</p>



<a name="192808124"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/185694-t-compiler/wg-meta/topic/MCP%20process%20RFC%20ready%3F/near/192808124" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/topic/MCP.20process.20RFC.20ready.3F.html#192808124">(Apr 03 2020 at 14:04)</a>:</h4>
<p>yes, see e.g. <a class="stream" data-stream-id="217588" href="/#narrow/stream/217588-project-leads-.28public.29">#project leads (public)</a></p>



<a name="192808300"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/185694-t-compiler/wg-meta/topic/MCP%20process%20RFC%20ready%3F/near/192808300" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/topic/MCP.20process.20RFC.20ready.3F.html#192808300">(Apr 03 2020 at 14:06)</a>:</h4>
<p><span class="user-mention silent" data-user-id="116083">pnkfelix</span> <a href="#narrow/stream/185694-t-compiler.2Fwg-meta/topic/MCP.20process.20RFC.20ready.3F/near/192808093" title="#narrow/stream/185694-t-compiler.2Fwg-meta/topic/MCP.20process.20RFC.20ready.3F/near/192808093">said</a>:</p>
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<p>whoa, can zulip stream names have spaces? "#t-compiler/major changes"</p>
</blockquote>
<p>hard to adapt to modern stuff, I wonder if they allow emoji :P</p>



<a name="192808319"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/185694-t-compiler/wg-meta/topic/MCP%20process%20RFC%20ready%3F/near/192808319" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/topic/MCP.20process.20RFC.20ready.3F.html#192808319">(Apr 03 2020 at 14:06)</a>:</h4>
<p>Q: if a change has already gone through the RFC process, but implementation details were left unspecified there, am I right in thinking that the implementation details may well be expected to go through MCP?</p>



<a name="192808323"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/185694-t-compiler/wg-meta/topic/MCP%20process%20RFC%20ready%3F/near/192808323" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/topic/MCP.20process.20RFC.20ready.3F.html#192808323">(Apr 03 2020 at 14:06)</a>:</h4>
<p>we are from the no spaces in file names era :P</p>



<a name="192808344"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/185694-t-compiler/wg-meta/topic/MCP%20process%20RFC%20ready%3F/near/192808344" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/topic/MCP.20process.20RFC.20ready.3F.html#192808344">(Apr 03 2020 at 14:06)</a>:</h4>
<p>(i'm thinking specifically of cargo-report-future-incompat here)</p>



<a name="192808370"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/185694-t-compiler/wg-meta/topic/MCP%20process%20RFC%20ready%3F/near/192808370" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/topic/MCP.20process.20RFC.20ready.3F.html#192808370">(Apr 03 2020 at 14:06)</a>:</h4>
<p><span class="user-mention silent" data-user-id="116009">nikomatsakis</span> <a href="#narrow/stream/185694-t-compiler.2Fwg-meta/topic/MCP.20process.20RFC.20ready.3F/near/192795895" title="#narrow/stream/185694-t-compiler.2Fwg-meta/topic/MCP.20process.20RFC.20ready.3F/near/192795895">said</a>:</p>
<blockquote>
<p>Ah, one minor thing I wanted to check with you on, <span class="user-mention silent" data-user-id="116266">Santiago Pastorino</span>, was around how to include MCP things in the triage meeting agenda. I wrote that they should ping the proritization wg, but maybe people can just directly add them to some hackmd?</p>
</blockquote>
<p>this is very interesting, I guess we would need to add a WG-prioritization tag</p>



<a name="192808400"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/185694-t-compiler/wg-meta/topic/MCP%20process%20RFC%20ready%3F/near/192808400" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/topic/MCP.20process.20RFC.20ready.3F.html#192808400">(Apr 03 2020 at 14:07)</a>:</h4>
<p>and for whatever reason people can just tag the WG</p>



<a name="192808419"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/185694-t-compiler/wg-meta/topic/MCP%20process%20RFC%20ready%3F/near/192808419" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/topic/MCP.20process.20RFC.20ready.3F.html#192808419">(Apr 03 2020 at 14:07)</a>:</h4>
<p>MCP being one but there may be others</p>



<a name="192828897"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/185694-t-compiler/wg-meta/topic/MCP%20process%20RFC%20ready%3F/near/192828897" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/topic/MCP.20process.20RFC.20ready.3F.html#192828897">(Apr 03 2020 at 16:22)</a>:</h4>
<p><span class="user-mention" data-user-id="116009">@nikomatsakis</span> let me know if you want me to do something about this but maybe we should have a WG-prioritization label on github</p>



<a name="192828928"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/185694-t-compiler/wg-meta/topic/MCP%20process%20RFC%20ready%3F/near/192828928" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/topic/MCP.20process.20RFC.20ready.3F.html#192828928">(Apr 03 2020 at 16:23)</a>:</h4>
<p>the docs you linked look good to me, have fixed some small typos</p>



<a name="192835569"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/185694-t-compiler/wg-meta/topic/MCP%20process%20RFC%20ready%3F/near/192835569" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/topic/MCP.20process.20RFC.20ready.3F.html#192835569">(Apr 03 2020 at 17:08)</a>:</h4>
<p><span class="user-mention silent" data-user-id="116083">pnkfelix</span> <a href="#narrow/stream/185694-t-compiler.2Fwg-meta/topic/MCP.20process.20RFC.20ready.3F/near/192808319" title="#narrow/stream/185694-t-compiler.2Fwg-meta/topic/MCP.20process.20RFC.20ready.3F/near/192808319">said</a>:</p>
<blockquote>
<p>Q: if a change has already gone through the RFC process, but implementation details were left unspecified there, am I right in thinking that the implementation details may well be expected to go through MCP?</p>
</blockquote>
<p>I thnk so</p>



<a name="192835618"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/185694-t-compiler/wg-meta/topic/MCP%20process%20RFC%20ready%3F/near/192835618" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/topic/MCP.20process.20RFC.20ready.3F.html#192835618">(Apr 03 2020 at 17:08)</a>:</h4>
<p>Something else that was raised is "where is the line between this and a RFC"</p>



<a name="192835624"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/185694-t-compiler/wg-meta/topic/MCP%20process%20RFC%20ready%3F/near/192835624" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/topic/MCP.20process.20RFC.20ready.3F.html#192835624">(Apr 03 2020 at 17:08)</a>:</h4>
<p>I think the way I'm thinking of it is:</p>



<a name="192835636"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/185694-t-compiler/wg-meta/topic/MCP%20process%20RFC%20ready%3F/near/192835636" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/topic/MCP.20process.20RFC.20ready.3F.html#192835636">(Apr 03 2020 at 17:09)</a>:</h4>
<p>for some compiler impl detail, people should start with MCP</p>



<a name="192835654"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/185694-t-compiler/wg-meta/topic/MCP%20process%20RFC%20ready%3F/near/192835654" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/topic/MCP.20process.20RFC.20ready.3F.html#192835654">(Apr 03 2020 at 17:09)</a>:</h4>
<p>we may guide them to an RFC if it seems useful</p>



<a name="192835673"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/185694-t-compiler/wg-meta/topic/MCP%20process%20RFC%20ready%3F/near/192835673" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/topic/MCP.20process.20RFC.20ready.3F.html#192835673">(Apr 03 2020 at 17:09)</a>:</h4>
<p>this is kind of the "So you want to do X" flowchart I was talking about</p>



<a name="192835683"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/185694-t-compiler/wg-meta/topic/MCP%20process%20RFC%20ready%3F/near/192835683" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/topic/MCP.20process.20RFC.20ready.3F.html#192835683">(Apr 03 2020 at 17:09)</a>:</h4>
<p>I wonder if it wants to be part of this RFC...</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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